On Thu, Jun 09, 2016 at 10:58:52AM -0600, Jeff Law wrote:
> On 06/02/2016 10:53 AM, James Greenhalgh wrote:
> >Hi,
> >
> >When I was working in the area last year, I promised to revisit the cost
> >model for noce if-conversion and see if I could improve the modeling. This
> >turned out to be more t
On 06/02/2016 10:53 AM, James Greenhalgh wrote:
Hi,
When I was working in the area last year, I promised to revisit the cost
model for noce if-conversion and see if I could improve the modeling. This
turned out to be more tricky than I expected.
This patch set rewrites the cost model for noce i
On 06/02/2016 06:53 PM, James Greenhalgh wrote:
As I iterated through versions of this patch set, I realised that all we
really wanted for ifcvt was a way to estimate the cost of a branch in units
that were comparable to the cost of instructions. The trouble with BRANCH_COST
wasn't that it was re
Hi,
When I was working in the area last year, I promised to revisit the cost
model for noce if-conversion and see if I could improve the modeling. This
turned out to be more tricky than I expected.
This patch set rewrites the cost model for noce if-conversion. The goal is
to rationalise the units
